| California's 4th State Assembly district | |||
|---|---|---|---|
 | |||
| Current assemblymember |
| ||
| Population (2010) • Voting age • Citizen voting age | 466,385 [1] 362,572 [1] 305,905 [1] | ||
| Demographics |
| ||
| Registered voters | 255,436 | ||
| Registration | 46.61% Democratic 23.86% Republican 24.07% No party preference | ||
California's 4th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Cecilia Aguiar-Curry of Winters.
The district encompasses much of the southern and western Sacramento Valley and Wine Country. The Coast Ranges run down the western half of the district.
Colusa County – 52.4% All of Lake County All of Napa County | Solano County – 7.3% Sonoma County – 14.9% Yolo County – 75.7% |
| Year | Office | Results [2] |
|---|---|---|
| 2021 | Recall |  No 65.1 – 34.9% |
| 2020 | President | Biden 66.3 – 31.2% |
| 2018 | Governor | Newsom 63.9 – 36.1% |
| Senator | Feinstein 51.5 – 48.5% | |
| 2016 | President | Clinton 62.8 – 29.8% |
| Senator | Harris 67.2 – 32.8% | |
| 2014 | Governor | Brown 66.4 – 33.6% |
| 2012 | President | Obama 63.2 – 33.9% |
| Senator | Feinstein 65.7 – 34.3% |
Due to redistricting, the 4th district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission.
| Assembly members | Party | Years served | Counties represented | Notes |
|---|---|---|---|---|
| John Yule | Republican | January 5, 1885 - January 3, 1887 | Shasta, Trinity | |
| Thaddeus Wilton Huff Shanahan | Democratic | January 3, 1887 - January 2, 1893 | ||
| William P. Mathews | January 2, 1893 - January 7, 1895 | Tehama, Trinity | ||
| Daniel Garrard Reid | January 7, 1895 - January 4, 1897 | |||
| Frank Houghton | January 4, 1897 - January 2, 1899 | |||
| W. H. La Bare | Republican | January 2, 1899 - January 5, 1901 | ||
| H. S. Gans | January 5, 1901 - January 5, 1903 | |||
| George Adolf Grotefend | Democratic | January 5, 1903 - January 2, 1905 | Lassen, Modoc, Shasta | |
| J. H. Creighton | Republican | January 2, 1905 - January 7, 1907 | ||
| Nathan A. Cornish | January 7, 1907 - January 4, 1909 | |||
| Arthur M. Dean | January 4, 1909 - January 2, 1911 | |||
| James Halar Tibbits | January 2, 1911 - January 6, 1913 | |||
| Albert Franklin Shartel | January 6, 1913 - January 8, 1917 | Plumas, Lassen, Modoc, Sierra | ||
| Arthur Joseph Mathews | January 8, 1917 - January 3, 1921 | |||
| Franklin J. Powers | January 3, 1921 - January 8, 1923 | |||
| Arthur Joseph Mathews | January 8, 1923 - January 5, 1925 | |||
| N. V. Wemple | January 5, 1925 - January 7, 1929 | |||
| Forrest R. Young | Democratic | January 7, 1929 - January 5, 1931 | ||
| Edwin Albert McDaniel | January 5, 1931 - January 2, 1933 | Colusa, Glenn, Tehama | ||
| John Evangelist Frazier | Republican | January 2, 1933 - January 4, 1937 | Butte Sutter, Yuba County, California | |
| Seth Millington | Democratic | January 4, 1937 - January 4, 1943 | ||
| Albert M. King | January 4, 1943 - January 6, 1947 | |||
| Bert Willits Loomis | Republican | January 6, 1947 - January 3, 1949 | ||
| Arthur William Coats Jr. | Democratic | January 3, 1949 - January 5, 1953 | ||
| Don Hobbie | Republican | January 5, 1953 – September 20, 1955 | Died in office from a heart attack. [3] | |
| Harold Thomas Sedgwick | October 17, 1955 – January 7, 1963 | He was sworn in after the death of his predecessor after winning the special election. [4] | ||
| Harold E. Booth | Democratic | January 7, 1963 - January 4, 1965 | Butte, Colusa, Sutter, Glenn, Yolo | |
| Ray E. Johnson | Republican | January 4, 1965 – November 30, 1974 | ||
| Butte, Colusa, Sutter, Glenn, Lake, Yolo | ||||
| Edwin L. Z'berg | Democratic | December 2, 1974 – August 26, 1975 | Sacramento, Solano, Yolo | Died in office at his apartment from a heart attack. [5] |
| Vic Fazio | December 10, 1975 – November 30, 1978 | He was sworn in after the death of his predecessor, after winning the special election. [6] | ||
| Thomas M. Hannigan | December 4, 1978 – November 30, 1992 | Solano, Yolo | ||
| David Knowles | Republican | December 7, 1992 – November 30, 1996 | Apline, Amador, Calaveras, El Dorado, Mono, Placer | |
| Rico Oller | December 2, 1996 – November 30, 2000 | |||
| Tim Leslie | December 4, 2000 – November 30, 2006 | |||
| Apline, El Dorado, Placer, Sacramento | ||||
| Ted Gaines | December 4, 2006 – January 6, 2011 | Resigned after winning the Senate special election in the 1st district and eventually succeeded by his wife. | ||
| Beth Gaines | May 12, 2011 – November 30, 2012 | Won the 2011 special election in her husband's district. | ||
| Mariko Yamada | Democratic | December 3, 2012 – November 30, 2014 | Colusa, Lake, Napa, Solano, Sonoma, Yolo | |
| Bill Dodd | December 1, 2014 – November 30, 2016 | |||
| Cecilia Aguiar-Curry | December 5, 2016 - present |
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Cecilia Aguiar-Curry (incumbent) | 82,388 | 58.6 | |
| Republican | Matthew L. Nelson | 42,566 | 30.3 | |
| Democratic | Sophia Racke | 15,692 | 11.2 | |
| Total votes | 140,646 | 100.0 | ||
| General election | ||||
| Democratic | Cecilia Aguiar-Curry (incumbent) | 150,157 | 66.7% | |
| Republican | Matthew L. Nelson | 75,110 | 33.3% | |
| Total votes | 225,267 | 100% | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Cecilia Aguiar-Curry (incumbent) | 77,882 | 99.5 | |
| Libertarian | Brandon Z. Nelson (write-in) | 132 | 0.2 | |
| Republican | Cherylyn A. Nutting (write-in) | 130 | 0.2 | |
| Green | Sarah Joan Fulton (write-in) | 128 | 0.2 | |
| Total votes | 78,272 | 100.0 | ||
| General election | ||||
| Democratic | Cecilia Aguiar-Curry (incumbent) | 122,657 | 75.2 | |
| Libertarian | Brandon Z. Nelson | 40,398 | 24.8 | |
| Total votes | 163,055 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Cecilia Aguiar-Curry | 36,043 | 29.2 | |
| Republican | Charlie Schaupp | 35,454 | 28.7 | |
| Democratic | Dan Wolk | 31,405 | 25.4 | |
| Democratic | Don Saylor | 18,284 | 14.8 | |
| Democratic | Elmer Mark Kropp | 2,281 | 1.8 | |
| Total votes | 123,467 | 100.0 | ||
| General election | ||||
| Democratic | Cecilia Aguiar-Curry | 118,772 | 63.5 | |
| Republican | Charlie Schaupp | 68,170 | 36.5 | |
| Total votes | 186,942 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Bill Dodd | 22,168 | 26.4 | |
| Republican | Charlie Schaupp | 21,873 | 26.1 | |
| Democratic | Dan Wolk | 19,963 | 23.8 | |
| Democratic | Joe Krovoza | 14,993 | 17.9 | |
| Republican | Dustin Call | 4,939 | 5.9 | |
| Total votes | 83,936 | 100.0 | ||
| General election | ||||
| Democratic | Bill Dodd | 70,598 | 61.6 | |
| Republican | Charlie Schaupp | 43,981 | 38.4 | |
| Total votes | 114,579 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Mariko Yamada (incumbent) | 51,821 | 59.2 | |
| Republican | John Munn | 35,664 | 40.8 | |
| Total votes | 87,485 | 100.0 | ||
| General election | ||||
| Democratic | Mariko Yamada (incumbent) | 108,081 | 62.5 | |
| Republican | John Munn | 64,946 | 37.5 | |
| Total votes | 173,027 | 100.0 | ||
| Democratic gain from Republican | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Dennis Campanale | 21,977 | 31.3% | |
| Republican | Beth Gaines | 15,952 | 22.7% | |
| Republican | John Allard | 15,226 | 21.7% | |
| Republican | Cheryl Bly-Chester | 6,788 | 9.7% | |
| Republican | Michael F. O'Connor | 3,929 | 5.6% | |
| Republican | Rob Matthews | 2,753 | 3.9% | |
| Republican | Matt Williams | 2,703 | 3.9% | |
| Republican | "Bo" Bogdan Ambrozewicz | 877 | 1.2% | |
| Total votes | 70,205 | 100.0% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Beth Gaines | 41,144 | 55.6% | |
| Democratic | Dennis Campanale | 32,878 | 44.4% | |
| Total votes | 74,022 | 100.0% | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Ted Gaines (incumbent) | 109,672 | 58.8 | |
| Democratic | Dennis J. Campanale | 68,306 | 36.6 | |
| Peace and Freedom | Daniel D. Frederick | 8,647 | 4.6 | |
| Total votes | 186,625 | 100.0 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Ted Gaines (incumbent) | 166,736 | 100.00 | |
| Total votes | 166,736 | 100.00 | ||
| Turnout | 56.63 | |||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Ted Gaines | 96,958 | 58.83 | |
| Democratic | Robert Haswell | 57,401 | 34.83 | |
| Libertarian | Michael Murphy | 5,423 | 3.29 | |
| Green | Gerald Fritts | 5,025 | 3.05 | |
| Total votes | 164,807 | 100.00 | ||
| Turnout | 66.07 | |||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Tim Leslie (incumbent) | 140,105 | 66.68 | |
| Democratic | Todd W. Schwenk | 70,008 | 33.32 | |
| Total votes | 210,113 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Tim Leslie (incumbent) | 84,301 | 66.28 | |
| Democratic | Scott Warren | 42,884 | 33.72 | |
| Invalid or blank votes | 9,295 | 6.81 | ||
| Total votes | 136,480 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Tim Leslie | 144,844 | 66.95 | |
| Democratic | Stephen A. Macola | 71,492 | 33.05 | |
| Invalid or blank votes | 5,818 | 2.62 | ||
| Total votes | 222,154 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Rico Oller (incumbent) | 103,688 | 61.66 | |
| Democratic | Mark A. Norberg | 57,492 | 34.19 | |
| Libertarian | Robert L. "Bob" Mulvany | 6,980 | 4.15 | |
| Invalid or blank votes | 14,359 | 7.87 | ||
| Total votes | 182,519 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Thomas "Rico" Oller | 105,257 | 57.90 | |
| Democratic | Erike J. Young | 76,193 | 41.91 | |
| No party | Karen Smith (write-in) | 349 | 0.19 | |
| Total votes | 181,799 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | David Knowles (incumbent) | 101,020 | 64.97 | |
| Democratic | Charles W. "Charlie" Fish | 47,700 | 30.68 | |
| Libertarian | Clyde B. Smith | 6,774 | 4.36 | |
| Invalid or blank votes | 11,755 | 7.03 | ||
| Total votes | 167,249 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | David Knowles (incumbent) | 102,578 | 56.15 | |
| Democratic | Mark A. Norberg | 64,400 | 35.25 | |
| Libertarian | Gary Hines | 15,720 | 8.60 | |
| Invalid or blank votes | 16,034 | 8.07 | ||
| Total votes | 198,732 | 100.00 | ||
| Republican gain from Democratic | ||||
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